(-)-Lactic acid (R)-(-)-Lactic acid (R)-2-Hydroxypropanoic acid (R)-2-Hydroxypropionic acid (R)-Lactic acid (R)-alpha-Hydroxypropionic acid 10326-41-7 D-(-)-Lactic acid D-Lactic acid DLA Lactic acid, D- Propanoic acid, 2-hydroxy-, Propanoic acid, 2-hydroxy-, (R)- l-Lactic acid